Home / 112,344,645.60-168,400,846.80-61,118,431.20

Finding the Fourth Proportional to 112,344,645.60, 168,400,846.80 and 61,118,431.20

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Solution

The fourth proportional to 112,344,645.60, 168,400,846.80 and 61,118,431.20 is: 91,614,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,645.60 : 168,400,846.80 = 61,118,431.20 : x
  2. Step 2: Convert to fraction form
    112,344,645.60/168,400,846.80 = 61,118,431.20/x
  3. Step 3: Cross multiply
    112,344,645.60x = 168,400,846.80 × 61,118,431.20
  4. Step 4: Simplify right side
    112,344,645.60x = 10,292,395,569,167,542
  5. Step 5: Solve for x
    x = 10,292,395,569,167,542/112,344,645.60
  6. Step 6: Final answer
    x = 91,614,473.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.